Effects of Prehospital Factors on Survival of Out-Of-Hospital Cardiac Arrest Patients: Age-Dependent Patterns

Bo Yoon Rhee, Boram Kim and Yo Han Lee
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Bo Yoon Rhee: Korea Centers for Disease Control and Prevention, Cheongju 28160, Korea
Boram Kim: Korea Centers for Disease Control and Prevention, Cheongju 28160, Korea
Yo Han Lee: Graduate School of Public Health, Ajou University, Suwon 16499, Korea

IJERPH, 2020, vol. 17, issue 15, 1-10

Abstract: Many prehospital factors that are known to influence survival rates after out-of-hospital cardiac arrest (OHCA) have been rarely studied as to how their influence varies depending on the age. In this study, we tried to find out what prehospital factors affect the survival rate after OHCA by age groups and how large the effect size of those factors is in each age group. We used the South Korean OHCA registry, which includes information on various prehospital factors relating OHCA and final survival status. The association between prehospital factors and survival was explored through logistic regression analyses for each age group. The effects of prehospital factors vary depending on the patient’s age. Being witnessed was relatively more influential in younger patients and the presence of first responders became more important as patients became older. While bystander cardiopulmonary resuscitation (CPR) did not appear to significantly affect survival in younger people, use of an automated external defibrillator (AED) showed the largest effect size on the survival in all age groups. Since the pathophysiology and etiologies of OHCA vary according to age, more detailed information on life support by age is needed for the development and application of more specialized protocols for each age.

Keywords: out-of-hospital cardiac arrest; survival rates; prehospital factors (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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